MESON Chess Problem Database

Problem Display
PID: 24246 (4B3/1K2p3/1B1k2p1/8/4Q3/8/8/8 w - - 0 1)

Pilchenko, Viacheslav Karlovich

1st HM., Smena, 1997

4B3/1K2p3/1B1k2p1/8/4Q3/8/8/8

#2

4 + 3

2786 More Fun with Chess Miniatures 2000
5454 Near Snap 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Bd4?
      • threat
        • 2.Qc6#
        • 2.Qe5#
      • 1...e5
        • 2.Qxe5#
      • 1...e6!
    • 1.Ba5?
      • threat
        • 2.Bb4#
      • 1...Kc5
        • 2.Bb4#
      • 1...e5!
    • 1.Bd7?
      • threat
        • 2.Qd4#
        • 2.Qe6#
      • 1...Kxd7
        • 2.Qc6#
      • 1...e6
        • 2.Qxe6#
      • 1...e5!
    • 1.Bf7?
      • threat
        • 2.Qd5#
        • 2.Qd4#
        • 2.Qe6#
      • 1...Kd7
        • 2.Qd3#
        • 2.Qd5#
        • 2.Qc6#
        • 2.Qd4#
        • 2.Qe6#
      • 1...e6
        • 2.Qxe6#
      • 1...e5!
    • 1.Qf5?
      • threat
        • 2.Bc5#
        • 2.Bc7#
      • 1...e5
        • 2.Qd7#
      • 1...e6
        • 2.Bc5#
        • 2.Qc5#
      • 1...gxf5!
    • 1.Qc4?
      • threat
        • 2.Bc7#
      • 1...e6
        • 2.Qc5#
      • 1...e5
        • 2.Bc5#
      • 1...Ke5!
    • 1.Qxe7+?
      • 1...Kd5
        • 2.Bf7#
      • 1...Kxe7!
  • Keys
    • 1.Bd8!
      • threat
        • 2.Bxe7#
      • 1...Kc5
        • 2.Bxe7#
      • 1...e5
        • 2.Qc6#
      • 1...e6
        • 2.Qd4#

Anticipated by 24230(1995)

This anticipates 165283(2017)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(B);
      • Threat
        • DUALS(2)
      • Vars
        • P(c);::QAB1(A),XP(c)
      • Refutation
        • P(c);
    • Try
      • B(B);
      • Threat
        • B(B)
      • Vars
        • K(a);S_FLIGHT::B(B)
      • Refutation
        • P(c);
    • Try
      • B(D);
      • Threat
        • DUALS(2)
      • Vars
        • K(a);P-FLIGHT,XB(D)::QAB1(A)
        • P(c);::QAR1(A),XP(c)
      • Refutation
        • P(c);
    • Try
      • B(D);
      • Threat
        • DUALS(3)
      • Vars
        • P(c);::QAR1(A),XP(c)
      • Refutation
        • P(c);
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • P(c);SBLOCK::QAR1(A)
      • Refutation
        • P(b);XQ(A)
    • Try
      • Q(A);
      • Threat
        • B(B)
      • Vars
        • P(c);SBLOCK::QAB1(A)
        • P(c);SBLOCK::B(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK,XP(c)
      • Vars
        • K(a);P-FLIGHT::B(D)
      • Refutation
        • K(a);S_FLIGHT,XQ(A)
  • Actual
    • B(B);
    • Threat
      • B(B),XP(c)
    • Vars
      • K(a);S_FLIGHT::B(B),XP(c)
      • P(c);SBLOCK::QAR1(A)
      • P(c);SBLOCK::QAR2(A)
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